Question

B/ Give reasons for the following statements.
1. Solids have a fixed shape and size.
2. Solids expand very little on heating.
3. The fragrance of incense stick spreads out in air to a distance
4. Molecules of gases move freely in all the directions.
5. Liquids expand more than solids.​

Answer 1

Answer:

Solids have a fixed shape because the molecules of solids are held together in a fixed position by a very strong intermolecular force of attraction. ... Solids expand very little on heating. Answer: Solids expand very little on heating due to the strong intermolecular force of attraction between the molecules. 3.

Answer 2

Answer:

solids have a fixed shape and size.